An instrument which measures the rate of regularly recurring variations in an electric current or voltage and is usually calibrated in hertz (cycles per second or cps). The value may be expressed by means of a pointer and calibrated dial vibrating reed or a digital read out display. For instruments which measure radio frequencies, see calibrator, frequency; and wavementer. excludes: counter electronic digital.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 6220-01-518-4588
NSN 6145-01-388-2642
NSN 5895-01-135-2574
NSN 5965-00-977-5658
NSN 5905-01-019-5877
NSN 5915-01-512-0131
NSN 6610-01-269-5437
NSN 5905-01-170-0383
NSN 4140-01-428-7650
NSN 5915-01-428-6681
NSN 5999-01-087-1416
NSN 5925-00-920-3103